dB Guard vs QuietSense
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
dB Guard
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Dealing with noisy neighbors? Need proof for your landlord or a noise complaint? dB Guard turns your iPhone into a calibrated noise meter and evidence logger β the only tool you need to document noise problems and build a professional case. REAL-TIME NOISE MEASUREMENT Measure decibel levels in real time with a clean, easy-to-read gauge. Set your own dB threshold and dB Guard will automatically detect and log noise events when sound levels exceed your limit. AUTOMATIC NOISE EVENT LOGGING Every noise event is captured with precise timestamps, peak dB, average dB, and duration. Add notes and photos to document the source. Events are grouped by date so you can see your full noise history at a glance. QUIET HOURS RULES Set up quiet hours rules (e.g., 10 PM β 7 AM) with custom dB thresholds. dB Guard automatically flags violations, giving you clear evidence of noise during protected hours. NOISE PATTERN ANALYTICS (PRO) See when noise is worst with a weekly heatmap showing patterns by day and hour. Track your noisiest hours, quietest days, total events, and average peak levels over 7 or 30 days. PROFESSIONAL PDF EVIDENCE REPORTS (PRO) Generate timestamped PDF reports with noise statistics ready to share with landlords, property managers, HOAs, or courts. Present professional, objective data instead of verbal complaints. ALL DATA STAYS ON YOUR DEVICE Your noise data is stored locally on your iPhone. We don't collect, transmit, or sell your data. Your evidence is yours alone. FREE FEATURES β’ Real-time decibel meter β’ Last 24 hours of noise event history β’ Configurable dB threshold & event duration β’ Dark and light mode PRO FEATURES ($3.99/week or $29.99/year) β’ Unlimited noise event logging & full history β’ Professional PDF evidence reports β’ Noise pattern analytics & heatmaps β’ Quiet hours violation tracking β’ Unlimited recording time Whether you're dealing with loud neighbors, construction noise, barking dogs, or late-night parties β dB Guard gives you the data and documentation you need to take action. Apple Terms of Service: https://www.apple.com/uk/legal/internet-services/itunes/uk/terms.html Privacy Policy: https://dbguard.app/privacy
QuietSense
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Worried that your TV, music, or gaming sound may carry through an apartment wall or floor? QuietSense turns your iPhone's estimated sound level into a calm, easy-to-read signal. It helps you judge when sound may carry toward a nearby room or shared boundary and what to try next. Nearby-room values are modeled from the selected space and phone reading; QuietSense does not measure another room or know exactly what another person hears. TRY ONE FREE 60-SECOND CHECK Use the core experience once before subscribing. Choose your room and activity, watch the live signal for 60 seconds, and get a simple report. No account or payment is required for the free check. BUILT FOR SHARED HOMES - Choose an apartment, house, bedroom, or office context. - Check TV, gaming, music, working or calls, and other common activities. - See a simple state, estimated dB level, recent peaks, and practical next steps. - Review a clear report after a check. QUIETSENSE PRO Upgrade for unlimited live checks, a fresh latest-check report after each completed session, a same-day overview when available, in-app sustained-sound warnings while live monitoring is open, calibration controls, and adjustable warning timing. Choose a monthly or yearly auto-renewable subscription. Eligible customers may receive a 3-day free trial with the yearly plan. Availability is determined by the App Store; billing terms appear before purchase. PRIVACY FIRST QuietSense processes sound level on device. It does not transcribe speech or save or upload raw audio. Reports store local summary values such as estimated sound level, room and activity choices, risk state, peaks, and timingβnot raw audio. IMPORTANT QuietSense provides an everyday sound-awareness estimate. It is not a certified or legal sound meter, a safety device, a medical device, or a mental health treatment. Phone placement, room shape, device hardware, and building materials can affect results. Privacy Policy: https://asdftq.github.io/quietsense/privacy.html Terms of Use: https://asdftq.github.io/quietsense/terms.html Support: https://asdftq.github.io/quietsense/support.html
Screenshots
Verdict
The clearest difference is iOS requirement: dB Guard at 15.1 against QuietSense's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. dB Guard sells 2 in-app purchases, starting at $3.99 per 7 days and QuietSense sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
dB Guard ships an update every 3 months, QuietSense every 2 months. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.
| Parameter | dB Guard | QuietSense |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 2 months β better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPod β better | iPhone |
| Requires iOS | 15.1 β better | 18.0 |
| Further details β not scored | ||
| Size | 48 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Muhammad haris Shahbaz | Hwechul Cho |
In-app purchases
dB Guard
- dB Guard Pro Weekly$3.997 Days
- dB Guard Pro Annual$29.991 Year
QuietSense
- QuietSense Pro Monthly$3.991 Month
- QuietSense Pro Yearly3 Days trial$23.991 Year





